以下是 20 到 100 的英文写法：
20：twenty
21：twenty - one
22：twenty - two
23：twenty - three
24：twenty - four
25：twenty - five
26：twenty - six
27：twenty - seven
28：twenty - eight
29：twenty - nine
30：thirty
31：thirty - one
32：thirty - two
33：thirty - three
34：thirty - four
35：thirty - five
36：thirty - six
37：thirty - seven
38：thirty - eight
39：thirty - nine
40：forty
41：forty - one
42：forty - two
43：forty - three
44：forty - four
45：forty - five
46：forty - six
47：forty - seven
48：forty - eight
49：forty - nine
50：fifty
51：fifty - one
52：fifty - two
53：fifty - three
54：fifty - four
55：fifty - five
56：fifty - six
57：fifty - seven
58：fifty - eight
59：fifty - nine
60：sixty
61：sixty - one
62：sixty - two
63：sixty - three
64：sixty - four
65：sixty - five
66：sixty - six
67：sixty - seven
68：sixty - eight
69：sixty - nine
70：seventy
71：seventy - one
72：seventy - two
73：seventy - three
74：seventy - four
75：seventy - five
76：seventy - six
77：seventy - seven
78：seventy - eight
79：seventy - nine
80：eighty
81：eighty - one
82：eighty - two
83：eighty - three
84：eighty - four
85：eighty - five
86：eighty - six
87：eighty - seven
88：eighty - eight
89：eighty - nine
90：ninety
91：ninety - one
92：ninety - two
93：ninety - three
94：ninety - four
95：ninety - five
96：ninety - six
97：ninety - seven
98：ninety - eight
99：ninety - nine
100：one hundred
